HOMEVULNERABILITIESCVE-2006-1240
MEDIUMPOC

CVE-2006-1240

NVD-CWE-OtherPublished: March 15, 2006· Updated: Jun 16, 2026

4.6
CVSS v3.1

Official Description

Buffer overflow in inet_server.cpp in (1) fb_inet_server and (2) fbserver in Firebird 1.5.2.4731 allows local users to gain privileges via a long value of the -p argument.

NVD Source

Technical Analysis

CVE-2006-1240 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2006-1240. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected Vendors & Products

firebirdsql1 product(s)
firebird
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (8)

Quick Facts

CVE IDCVE-2006-1240
CVSS Score4.6 / 10
SeverityMEDIUM
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedMar 15, 2006

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2006-1240 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.